Answer:
AC ≈ 9,7sm
Step-by-step explanation:
AB=7 One side of a right triangle
BC=12 Hypotenuse of a right triangle
AC=?=x The other side of a right triangle
x²+7²=12²
x²=144-49
x²=95
x=√(95) ≈ 9,7
AC ≈ 9,7sm
Notice the picture below
no matter what value "y" may have, "x" will always be 1
Step-by-step explanation:
so therefore mark jogged 2 36/70km more than his sister